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CCDB → Angiosperms → Compositae → Lactuca → Lactuca perennis L.

33 chromosome counts in Lactuca perennis L.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Lactuca perennis L.	Lactuca perennis L.		18	CHROBASE	LOEVE A., LOEVE D. - 1982. IOPB chromosome number reports LXXVI.. Taxon , 31(3): 583-587.
		Lactuca perennis L.	Lactuca perennis L.		18	Slovakia Database	Májovský J. et al., 1974a: Index of chromosome numbers of Slovakian flora (Part 3). - Acta Fac. Rerum Nat. Univ. Comen., Bot. 22: 1-20.
		Lactuca perennis L.	Lactuca perennis L.		18	Slovakia Database	Májovský J. et al., 1974a: Index of chromosome numbers of Slovakian flora (Part 3). - Acta Fac. Rerum Nat. Univ. Comen., Bot. 22: 1-20.
		Lactuca perennis L.	Lactuca perennis L.		18	Slovakia Database	Dvořák F. & Dadáková B., 1977a: Contribution to the karyological study of the species of Slovakian flora. - Biologia (Bratislava) 32/4: 243-254.
		Lactuca perennis L.	Lactuca perennis L.		18	Slovakia Database	Feráková V., 1971a: Príspevok k taxonómii rodu Lactuca L., pp. 353-365. - In: Magic D. (ed.), Zborník prednášok zo zjazdu SBS (Tisovec 5.-11. júl 1970). Časť II. SBS pri SAV, Bratislava.
		Lactuca perennis L.	Lactuca perennis L.		18	Slovakia Database	Feráková V., 1971a: Príspevok k taxonómii rodu Lactuca L., pp. 353-365. - In: Magic D. (ed.), Zborník prednášok zo zjazdu SBS (Tisovec 5.-11. júl 1970). Časť II. SBS pri SAV, Bratislava.
		Lactuca perennis L.	Lactuca perennis L.	9	18	Flora Iberica	Cytotaxonomic studies in the Iberian taxa of the genus Lactuca (Compositae). Mejas, J. A.Bot. Helvetica103: 113-130(1993).
		Lactuca perennis subsp. perennis	Lactuca perennis L.	9II(2)	18(2)	Asteracea	Mejias 1993b Bot. Helv. (= Alpine Botany)
		Lactuca perennis L.	Lactuca perennis L.	9(1)		Asteracea	Whitaker & J. 1939 J. Agric. Res.
		Lactuca perennis L.	Lactuca perennis L.		18	IPCN online	Kuzmanov, B. A., S. B. Georgieva & V. A. Nikolova. 1986. Chromosome numbers of Bulgarian flowering plants. I. Fam. Asteraceae. Fitologija 31: 71–74.
		Lactuca perennis L.	Lactuca perennis L.		18	IPCN online	Mĕsíček, J. 1992. In J. M|3esí|3ccek & V. Jav@0urková-Jarolímová, List of Chromosome Numbers of the Czech Vascular Plants. Academia, Praha.
		Lactuca perennis L.	Lactuca perennis L.		18	IPCN online	Dvorak, F. & B. Dadakova. 1977. Contribution to the karyological study of the species of Slovakian flora. Biologia (Bratislava) 32: 243–254.
		Lactuca perennis L.	Lactuca perennis L.		18	IPCN online	Gemeinholzer. 2005. New chromosome counts for some Lactuceae (Compositae). Compositae Newslett. 42: 43–46.
		Lactuca perennis subsp. perennis	Lactuca perennis L.		18	IPCN online	Mejías, J. A. 1992. Cytotaxonomic studies in the Iberian taxa of the genus Lactuca (Compositae). Bot. Helv. 103: 113–130.
		Lactuca perennis L.	Lactuca perennis L.		18	IPCN73-74	LEUTE, G.-H. 1974. In IOPB chromosome number reports XLVI. Taxon 23: 801-812.
		Lactuca perennis L.	Lactuca perennis L.		18	IPCN73-74	MAJOVSKY, J., ET AL. 1974. Index of chromosome numbers of Slovakian flora. (Part 3). Acta Fac. Rerum Nat. Univ. Comenianae Bot. 22: 1-20.
		Lactuca perennis L.	Lactuca perennis L.		18	Fedorov, 1974	Marchal 1920
		Lactuca perennis L.	Lactuca perennis L.		18	Fedorov, 1974	Babcock et al. 1937
		Lactuca perennis L.	Lactuca perennis L.		18	Fedorov, 1974	Whitaker, Jagger 1939
		Lactuca perennis L.	Lactuca perennis L.		18	Fedorov, 1974	Thompson R. C. et al. 1941
		Lactuca perennis L.	Lactuca perennis L.		18	Fedorov, 1974	Delay 1947
!		Lactuca perennis L.	Lactuca perennis L.		18	Darlington, 1955	Thompson et al. '41
!		Lactuca perennis L.	Lactuca perennis L.		18	C-values database	Doležalová I, Lebeda A, Janecek J, Cíhalíková J, Krístková E, Vránova O. 2002. Variation in chromosome numbers and nuclear DNA contents in genetic resources of Lactuca L. species (Asteraceae). Genetic Resources and Crop Evolution 49: 383-395.
!		Lactuca perennis L.	Lactuca perennis L.		2n = 18	Austria_checklist	G.H. Leute in -- 1974. IOPB chromosome number reports XLVI. Taxon 23[5/6], 801-812.
		Lactuca perennis L.	Lactuca perennis L.	0	16	CromoCat 2015	Dvo?ák, F. & Dadáková, B. (1977c). Contribution to the karyological study of the species of Slovakian flora. Biológia 32: 243-254
		Lactuca perennis L.	Lactuca perennis L.	0	16	CromoCat 2015	Gemeinholzer (2005). New chromosome counts for some Lactuceae (Compositae). Compositae Newslett. 42: 43–46.
		Lactuca perennis L.	Lactuca perennis L.		18	CromoCat 2015	Kuzmanov, B., Georgieva, S. & Nikolova, V. (1986). Chromosome numbers of Bulgarian flowering plants. I, Fam. Asteraceae. Fitologija 31: 71-74.
		Lactuca perennis L.	Lactuca perennis L.		18	CromoCat 2015	Leute, G. -H. (1974). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports XLVI]. Taxon 23(5/6): 811-812.
		Lactuca perennis L.	Lactuca perennis L.		18	CromoCat 2015	Löve, A. & Löve, D. (1982c). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LXXVI]. Taxon 31(3): 583-587.
		Lactuca perennis L.	Lactuca perennis L.		18	CromoCat 2015	Löve, A. (1974). IOPB chromosome number reports XLVI Taxon 23(5/6): 801-812.
		Lactuca perennis L.	Lactuca perennis L.		18	CromoCat 2015	M?sí?ek J. et Jarolímová-Jav?rková V. (1992). List of chromosome numbers of the Czech vascular plants. Academia, Praha. p. 1-144.
!		Lactuca perennis	Lactuca perennis L.	9		CromoCat 2015	Mejías, J. A. (1993a). Cytotaxonomic studies in the Iberian taxa of the genus Lactuca (Compositae). Bot. Helv. 103: 113-130.
!		Lactuca perennis	Lactuca perennis L.		18	CromoCat 2015	Mejías, J. A. (1993a). Cytotaxonomic studies in the Iberian taxa of the genus Lactuca (Compositae). Bot. Helv. 103: 113-130.